At least three civilians were killed and ten others were injured on Thursday by twin blasts in eastern Nangarhar province, local officials said.
The incident took place in Achin district of Nangarhar province at about 10:00am when a civilian vehicle struck a road side bomb, Ahmad Zia Abdul Zai, the provincial spokesman, said.
The second blast took place when residents arrived to help the victims. Abdul Zai added.
Local police said the victims were taken to a nearby hospital for emergency care and that preliminary investigations were underway.
No one has yet claimed responsibility for the attack.